Multicellular organisms
How are SINGLE-CELLED organisms different than MULTICELLULAR organisms?
a. Single-celled organisms are not living things, but multicellular organisms are.
b.Single celled organisms use only once cell to perform all the functions of life, but multicellular organism use specialized cells for different jobs.
c. Single-celled organisms can live in only one environment while multicellular can live in different environments.
d. Single- celled organisms have different organ systems.
b.Single celled organisms use only once cell to perform all the functions of life, but multicellular organism use specialized cells for different jobs.
Why does the fennec fox have large ears?
a. to prevent the fox from losing too much heat
b. to keep the fox cool by releasing heat
c. to let the fox hear its prey moving
d. to help the fox blend in with its surroundings
b. to keep the fox cool by releasing heat
What is the process called where plants convert SUNLIGHT into CHEMICAL energy?
a. photosynthesis
b. reproduction
c. cellular respiration
d. precipitation
a. photosynthesis
What is the name of the HORMONE that stimulates cell growth?
a. gravity
b. auxin
c. tuber
d. coniferous
b. auxin
Which of the following is NOT an organ system?
a. the digestive system
b. the tissue system
c. the respiratory system
d. the nervous system
b. THE TISSUE SYSTEM!!!!
What characteristic type of adaptation would animals in cold climates have?
a. sharp teeth
b. thin limbs
c. darker
d. thick fur
d. thick fur
Which best describes the process of cellular respiration?
a. a cell feeds itself using sunlight
b. a cell takes in water and carbon dioxide to produce sugar and oxygen
c. a cell uses oxygen to break down sugars and release energy
d. a cell stimulates plant growth using plant hormones
c. a cell uses oxygen to break down sugars and release energy
What happens when a plant goes into a state of dormacy?
a. it grows more leaves
b. it increases its height
c. it requires more energy
d. it temporalily stops growing
d. it temporalily stops growing
What are the functions of nerve cells?
a. move blood
b. producing movement
c. carrying oxygen
d. carrying signals
d. carrying signals
What are the processes involved in sexual reproduction?
a. sperm and egg cells
b. meiosis and fertilization
c. budding and separating
d. genes and chromosomes
B. meiosis and fertilization
Why are plants considered to be autotrophs?
a. they use hormones for energy
b. they eat insects as a food source
c. they can produce their own food
d. they rely only on cellular respiration for energy
c. they can produce their own food
a. to able to survive and produce offspring that can reproduce
b. to change their surroundings to be more suitable for survival
c. to develop characteristics that are different from other species
d. to change characteristics when they have perfectly adjusted to their environment
a. to able to survive and produce offspring that can reproduce
Which of the following would a grass plant be least likely to survive?
a. being set on fire
b. being in a freezing environment
c. being in a HOT environment
d. being sprayed with a chemical solution that can kill the ROOTS
d. being sprayed with a chemical solution that can kill the ROOTS
What do tendrils help climbing plants do?
a. they help to raise climbing plants into the sunlight
b. they help climbing plants store large amounts of water
c. they make it possible for climbing plants to capture food
d. they make it possible for climbing plants to live in cold environments
a. they help to raise climbing plants into the sunlight